written, produced and directed by William Cran ; a Frontline coproduction with InVision Productions, Ltd. in association with BBC-2 ; WGBH Educational Foundation
produced by Bishari Film Productions in association with Canadian Broadcasting Corporation ; a film by Shelley Saywell ; director, writer, Shelley Saywall ; producers, Deborah Parks, Shelley Saywell
produced by Michael Kirk, Mike Wiser, Jim Gilmore, Philip Bennett ; reported by Jim Gilmore, David E. Hoffman ; directed by Michael Kirk ; a Frontline production with Kirk Documentary Group, Ltd
directed by Ridley Scott ; screenplay by Ken Nolan ; produced by Jerry Bruckheimer, Ridley Scott ; Revolution Studios and Jerry Bruckheimer Films present ; in association with Scott Free ; a film by Ridley Scott
Revolution Studios and Jerry Bruckheimer Films present a Ridley Scott film, a Jerry Bruckheimer production in association with Scott Free Productions ; produced by Jerry Bruckheimer and Ridley Scott ; screenplay by Ken Nolan ; directed by Ridley Scott